803944 has 8 divisors (see below), whose sum is σ = 1507410. Its totient is φ = 401968.

The previous prime is 803939. The next prime is 803963. The reversal of 803944 is 449308.

It can be written as a sum of positive squares in only one way, i.e., 407044 + 396900 = 638^2 + 630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50239 + ... + 50254.

2⁸⁰³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

803944 is a deficient number, since it is larger than the sum of its proper divisors (703466).

803944 is a wasteful number, since it uses less digits than its factorization.

803944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100499 (or 100495 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 803944 is about 896.6292433331. The cubic root of 803944 is about 92.9840802133.

The spelling of 803944 in words is "eight hundred three thousand, nine hundred forty-four".